Cefalexin Uses Cefalexin is used in the treatment of bacterial infections. It is effective for managing common mild to moderate bacterial infections.
Cefalexin is an antibiotic that works by killing bacteria. It does this by preventing them from forming the protective covering (cell wall) that is essential for their survival.
Common side effects of Cefalexin include rash, diarrhea, urticaria, and angioedema (swelling of the deeper layers of the skin).